Clinical Study
Opioid Use in Fibromyalgia Is Associated with Negative Health Related Measures in a Prospective Cohort Study
Table 2
Disease related information at baseline and followup for 131 patients stratified according to opioid use at followup.
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Group 1 FU versus Group 2 FU: *, **. SD: standard deviation, VAS: Visual Analog Scale, MPQ: McGill Pain Questionnaire, FIQ: Fibromyalgia Impact Questionnaire, HAQ: Health Assessment Questionnaire, AIMS: Arthritis Impact Measurement Scale, PCS: Pain Catastrophizing Scale. |